100650002155 has 4 divisors (see below), whose sum is σ = 120780002592. Its totient is φ = 80520001720.

The previous prime is 100650002147. The next prime is 100650002183. The reversal of 100650002155 is 551200056001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100650002155 - 2³ = 100650002147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10065000211 + ... + 10065000220.

It is an arithmetic number, because the mean of its divisors is an integer number (30195000648).

Almost surely, 2^100650002155 is an apocalyptic number.

100650002155 is a deficient number, since it is larger than the sum of its proper divisors (20130000437).

100650002155 is an equidigital number, since it uses as much as digits as its factorization.

100650002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20130000436.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 100650002155 its reverse (551200056001), we get a palindrome (651850058156).

The spelling of 100650002155 in words is "one hundred billion, six hundred fifty million, two thousand, one hundred fifty-five".